#define _CRT_SECURE_NO_WARNINGS 1

#include<iostream>
using namespace std;

class countV
{
public:
	void input(void)
	{
		scanf("%d%d%d", &_long, &weight, &height);
	}
	int count(void)
	{
		input();
		return _long * weight * height;
	}
private:
	int _long;
	int weight;
	int height;
};

int main()
{
	class countV P;
	
	printf("%d ", P.count());
	return 0;
}